Solve 2017/02

2017/02/input.txt

@@ -0,0 +1,16 @@
+1640	590	93	958	73	1263	1405	1363	737	712	1501	390	68	1554	959	79
+4209	128	131	2379	2568	2784	2133	145	3618	1274	3875	158	1506	3455	1621	3799
+206	1951	2502	2697	2997	74	76	78	1534	81	2775	2059	3026	77	2600	3067
+373	1661	94	102	2219	1967	1856	417	1594	75	100	2251	2200	1825	1291	1021
+57	72	51	1101	1303	60	1227	421	970	1058	138	333	1320	1302	402	1210
+4833	5427	179	3934	4533	5124	4832	2088	94	200	199	1114	4151	1795	208	3036
+759	876	110	79	1656	1691	185	544	616	312	757	1712	92	97	1513	1683
+1250	1186	284	107	1190	1233	573	1181	1041	655	132	547	395	146	119	515
+505	1726	79	180	86	1941	1597	1785	1608	1692	968	1177	94	184	91	31
+1366	2053	1820	1570	70	506	53	415	717	1263	82	366	74	1255	2020	1985
+2365	5585	2285	4424	5560	3188	3764	187	88	223	1544	5023	4013	5236	214	196
+1487	1305	1359	1615	6579	2623	4591	150	5030	188	146	4458	5724	5828	1960	221
+3114	688	3110	334	1921	153	4083	131	2234	3556	3573	3764	127	919	3293	104
+1008	78	1196	607	135	1409	296	475	915	157	1419	1304	153	423	163	704
+235	4935	4249	3316	1202	221	1835	380	249	1108	1922	5607	4255	238	211	3973
+1738	207	179	137	226	907	1468	1341	1582	1430	851	213	393	1727	1389	632

2017/02/solve.py

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+import sys
+
+def load_rows(filename):
+	rows = []
+	with open(filename, "r") as f:
+		for line in f:
+			digits = line[:-1].split("\t")
+			row = list(map(int, digits))
+			rows.append(row)
+	return rows
+
+# PART 1
+
+def checksum(rows):
+	total = 0
+	for row in rows:
+		total += max(row) - min(row)
+	return total
+
+# PART 2
+
+def divide_evenly(row):
+	for a in row:
+		for b in row:
+			if a != b and a % b == 0:
+				return a // b
+
+def checksum_even(rows):
+	total = 0
+	for row in rows:
+		total += divide_evenly(row)
+	return total
+
+def main(filename):
+	rows = load_rows(filename)
+	print(f"Solutions for {filename}")
+	check = checksum(rows)
+	print(f"Part 1: {check}")
+	check_even = checksum_even(rows)
+	print(f"Part 2: {check_even}")
+
+if __name__ == "__main__":
+	for filename in sys.argv[1:]:
+		main(filename)

2017/02/testinput.txt

@@ -0,0 +1,3 @@
+5	9	2	8
+9	4	7	3
+3	8	6	5